Choosing the Right Particle Counter for Your Application

KB13-388X255

Basic Guidelines to Help Choose the Right Particle Counter
There are two main factors that influence the choice of a particle counter:
The first is the particle size(s) that are to be monitored. This is partially determined by the ISO class of the particular cleanroom, but also depends on the customer’s needs. Typically a customer will chose one or two particles for the certification test (if you need help choosing which particle sizes to monitor please refer to the ISO standard). When purchasing your particle counter you will need to check the specifications to ensure the instrument can measure particles of the appropriate size(s).

 

Make sure you choose a particle counter that can measure all the particle sizes that need to be monitored.

The second factor that you’ll want to consider is the flow rate capability of the particle counter. In order to do that we need to consider one of the formulas from the ISO standard:

 

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